The background-color for a busy day is no longer red. Unless there is a new way to customize it, this appears to have been broken as of version 3.0.0. ver 3.0.0 As of version 3.0.0 the busy class is not getting added to day when the day is fully scheduled. should have busy class in this td <td class=” 2020-07-30 busy” data-handler=”selectDay” data-event=”click” data-month=”6″ data-year=”2020″>30</td> .ea-bootstrap .ui-datepicker .busy, .ea-bootstrap .ui-datepicker .busy:hover {
background-color: rgba(255,0,0,0.5);
color: #fff;
cursor: default;
}